National Medical Journal of China, Volume 96, Issue 8,2016, Pages 615-619, doi:10.3760/cma.j.issn.0376-2491.2016.08.007
National Medical Journal of China, Volume 96, Issue 8,2016, Pages 666-668, doi:10.3760/cma.j.issn.0376-2491.2016.08.021
National Medical Journal of China, Volume 96, Issue 8,2016, Pages 629-633, doi:10.3760/cma.j.issn.0376-2491.2016.08.010
National Medical Journal of China, Volume 96, Issue 8,2016, Pages 658-659, doi:10.3760/cma.j.issn.0376-2491.2016.08.017
National Medical Journal of China, Volume 96, Issue 8,2016, Pages 660-662, doi:10.3760/cma.j.issn.0376-2491.2016.08.018